Be easily heard with the touch of a button
Threo Electric Whistle will allow you to grab attention quickly and efficiently. Unlike traditional ones, our whistle requires no blowing. It doesn't create physical strain on your lungs and throat, making it ideal for prolonged use.
Easy to use
The instant activation button saves you time and effort, allowing you to focus on the task at hand. Simply choose the tone on the side and create a loud sound in no time.
Consistent sound
The Threo electric whistle creates a loud distinct sound every time. The volume goes up to 120 ± 5dB, ensuring that your message is always clear and heard.
Versatility
With three different tones to choose from, our handheld whistle can be used in a variety of settings, including sports games, training sessions, and emergency situations.
More reasons to love Threo electric whistle
Lightweight 
Portable 
Durable 
Hygienic
Laura C.
Loud, reliable, and perfect for coaching sessions.
Alicia R.
This hand-held whistle is amazing! It has three distinct tones and fits comfortably in the hand. Ideal for any situation where you need to be heard.
Mike S.
Excellent volume and versatility. Highly recommend.
Jane D.
Outstanding quality and super easy to use!
Sarah
Good product, but the volume control could be better.
Mike
Handy and efficient. Just wish it came in more colors.
Emily
Super loud and easy to use! Perfect for coaching.
John
Exactly what I needed for refereeing games. Great battery life and solid construction. Highly recommend for anyone in sports.
Joseph
Wow!! Nice and loud!! Easy to use and has three different sound settings. Love that it’s lightweight!
Conor
I coach high school football and use this thing at every practice. I love the ability to give verbal instruction in conjunction with the whistle sound